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Which of the following are examples of work being done on an object? Choose all 4 that apply.

A. Carrying a box up a flight of stairs.
B. Wind blowing against a tree.
C. Lifting a bag of groceries.
D. Holding a 45 kg barbell over your head.
E. Lifting a rock off the ground.
F. Pushing a grocery cart through the store.
G. Carrying a bag of groceries through the store.
H. Pushing on a car that will not move.


Thanks in Advance!!

Respuesta :

Answer:

A mover carries a box up a flight of stairs.

A mover carries a box across a room.

Wind blows a pool chair across the yard.

A weightlifter lifts a barbell off the ground.

These are the only cases in which work is being done. The Formula of Work is:

Work= Force applied x Distance moved.

In all of these cases force is being applied and the object on which the force is being applied move in a horizontal or Vertical direction.  Thus Work is done !

Below are the examples of work being done on an object

Carrying a box up a flight of stairs.

Lifting a bag of groceries.

Lifting a rock off the ground.

Pushing a grocery cart through the store.

Workdone

Work is said to be done when a force applied moves a distance

Work done = force × distance

Learn more about work done:

https://brainly.com/question/18762601